For everyone's safety and battery life, users should pay attention to the following three points when using the battery: 1. Use the original or approved battery of the company. 2. If a metal conductor such as jewelry, keys or beads touches the

In terms of design technology, radios can be divided into analog walkie-talkies for analog communication technology (also known as traditional walkie-talkies) and digital walkie-talkies designed with digital technology. The analog walkie-talkie